This folder contains replication data and code for Huchen Liu (2021), "Campaign Contributions and Access to Congressional Offices: Patterns in Foreign Lobbying Data," to be pulished at the Political Research Quarterly.

CONTENTS
Code files:
- script1.R: trains and validates machine learning models to identify lobbyists' requests for access; merges model classifications to foreign lobbying metadata.
- script2.R: replicates all tables and figures in manuscript.
- script3.R: replicates all tables and figures in supplemental materials.

Data files:
All data files (in .RData format) are called in the appropriate code file.